battleground vs landmark

battleground

noun
  • A location where a battle may be fought, or has been fought. 

  • Any subject of dispute or contention. 

  • Any place or situation of dispute or contention 

landmark

noun
  • A notable location with historical, cultural, or geographical significance. 

  • An object that marks the boundary of a piece of land (usually a stone, or a tree). 

  • A recognizable natural or man-made feature used for navigation. 

  • A major event or discovery. 

verb
  • To officially designate a site or building as a landmark. 

How often have the words battleground and landmark occurred in a corpus of books? (source: Google Ngram Viewer )